Seismic Analysis in Unconventional Shales
Chapter 8, “Seismic Analysis in Unconventional Shales,” presents examples of seismic forward modeling and prestack inversion for some of the most leveraging parameters of unconventional shale reservoirs — both the intrinsic parameters (e.g., TOC content) and the extrinsic ones (e.g., horizontal stress gradient). It appears that AI-SI templates modified for organic shales can be adapted for those evaluations, and the organic richness and fracability of organic mudrocks can be mapped on the basis of simultaneous seismic inversion results.
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Seismic Petrophysics in Quantitative Interpretation is written for oil and gas industry professionals and academicians who are concerned with the use of seismic data in petroleum exploration and production. In addition, it should prove useful toward thoughtful applications of those data by geotechnical engineers. Seismic interpretation can be made simple and robust by integrating rock-physics principles with the seismic and petrophysical attributes that bear on the properties of conventional reservoirs (thickness, net/gross, lithology, porosity, permeability, and satu-ration) and of unconventional reservoirs (thickness, lithology, organic richness, and thermal maturity). Practical solutions can be used to address existing interpretation problems in rock-physics-based AVO analysis and prestack seismic inversion in order to streamline the workflows in subsurface characterization.